Ghaith Amin, CESBIO, University of Toulouse, CNES/CNRS/INRAE/IRD/UT3, 31401 Toulouse, France, France; Nafissa Sfaksi, MEOSS (Map Earth Observation Satellite Services), 31770 Colomiers, France, France; Vincent Thierion, CESBIO, University of Toulouse, CNES/CNRS/INRAE/IRD/UT3, 31401 Toulouse, France, France; Jerome Gilleron, Thomas Ferrero, MEOSS (Map Earth Observation Satellite Services), 31770 Colomiers, France, France; Valérie Demarez, CESBIO, University of Toulouse, CNES/CNRS/INRAE/IRD/UT3, 31401 Toulouse, France, France